Finding the Fourth Proportional to 18,095,831.70, 27,143,747.55 and 15,261,479.70
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Solution
The fourth proportional to 18,095,831.70, 27,143,747.55 and 15,261,479.70 is: 22,892,219.55
Step by Step Solution
- Step 1: Write the proportion equation
18,095,831.70 : 27,143,747.55 = 15,261,479.70 : x - Step 2: Convert to fraction form
18,095,831.70/27,143,747.55 = 15,261,479.70/x - Step 3: Cross multiply
18,095,831.70x = 27,143,747.55 × 15,261,479.70 - Step 4: Simplify right side
18,095,831.70x = 414,253,752,216,249.75 - Step 5: Solve for x
x = 414,253,752,216,249.75/18,095,831.70 - Step 6: Final answer
x = 22,892,219.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.